One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,6)(3,8,7,4)(9,10)(11,15)(12,13)(14,16)(17,18,22,24)(19,20,23,21)(27,32)(28,30)(2,6)(4,8)(10,12)(14,15)(17,19,22,23)(18,20,24,21)(25,26,29,31)(27,30,32,28)(2,6)(3,7)(9,10,13,12)(11,15,16,14)(17,20,22,21)(18,19,24,23)(25,27)(26,30)(28,31)(29,32)(1,3,5,7)(2,4,6,8)(9,11,13,16)(10,14,12,15)(17,18)(19,20)(21,23)(22,24)(1,4)(2,7)(3,6)(5,8)(9,12,13,10)(11,15,16,14)(17,21,22,20)(18,23,24,19)(25,28,29,30)(26,27,31,32)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.